Macros

#define  AVERROR(e)   (e)

 

#define  AVUNERROR(e)   (e)

 

#define  FFERRTAG(a, b, c, d)   (-(int)MKTAG(a, b, c, d))

 

#define  AVERROR_BSF_NOT_FOUND   FFERRTAG(0xF8,'B','S','F')

  Bitstream filter not found.

 

#define  AVERROR_BUG   FFERRTAG( 'B','U','G','!')

  Internal bug, also see AVERROR_BUG2.

 

#define  AVERROR_BUFFER_TOO_SMALL   FFERRTAG( 'B','U','F','S')

  Buffer too small.

 

#define  AVERROR_DECODER_NOT_FOUND   FFERRTAG(0xF8,'D','E','C')

  Decoder not found.

 

#define  AVERROR_DEMUXER_NOT_FOUND   FFERRTAG(0xF8,'D','E','M')

  Demuxer not found.

 

#define  AVERROR_ENCODER_NOT_FOUND   FFERRTAG(0xF8,'E','N','C')

  Encoder not found.

 

#define  AVERROR_EOF   FFERRTAG( 'E','O','F',' ')

  End of file.

 

#define  AVERROR_EXIT   FFERRTAG( 'E','X','I','T')

  Immediate exit was requested; the called function should not be restarted.

 

#define  AVERROR_EXTERNAL   FFERRTAG( 'E','X','T',' ')

  Generic error in an external library.

 

#define  AVERROR_FILTER_NOT_FOUND   FFERRTAG(0xF8,'F','I','L')

  Filter not found.

 

#define  AVERROR_INVALIDDATA   FFERRTAG( 'I','N','D','A')

  Invalid data found when processing input.

 

#define  AVERROR_MUXER_NOT_FOUND   FFERRTAG(0xF8,'M','U','X')

  Muxer not found.

 

#define  AVERROR_OPTION_NOT_FOUND   FFERRTAG(0xF8,'O','P','T')

  Option not found.

 

#define  AVERROR_PATCHWELCOME   FFERRTAG( 'P','A','W','E')

  Not yet implemented in FFmpeg, patches welcome.

 

#define  AVERROR_PROTOCOL_NOT_FOUND   FFERRTAG(0xF8,'P','R','O')

  Protocol not found.

 

#define  AVERROR_STREAM_NOT_FOUND   FFERRTAG(0xF8,'S','T','R')

  Stream not found.

 

#define  AVERROR_BUG2   FFERRTAG( 'B','U','G',' ')

  This is semantically identical to AVERROR_BUG it has been introduced in Libav after our AVERROR_BUG and with a modified value.

 

#define  AVERROR_UNKNOWN   FFERRTAG( 'U','N','K','N')

  Unknown error, typically from an external library.

 

#define  AVERROR_EXPERIMENTAL   (-0x2bb2afa8)

  Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.

 

#define  AV_ERROR_MAX_STRING_SIZE   64

 

#define  av_err2str(errnum)   av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, AV_ERROR_MAX_STRING_SIZE, errnum)

  Convenience macro, the return value should be used only directly in function arguments but never stand-alone.

 

Functions

int  av_strerror (int errnum, char *errbuf, size_t errbuf_size)

  Put a description of the AVERROR code errnum in errbuf.

 

static char *  av_make_error_string (char *errbuf, size_t errbuf_size, int errnum)

  Fill the provided buffer with a string containing an error string corresponding to the AVERROR code errnum.